1440010797 has 4 divisors (see below), whose sum is σ = 1920014400. Its totient is φ = 960007196.

The previous prime is 1440010783. The next prime is 1440010829. The reversal of 1440010797 is 7970100441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1440010797 - 2¹⁶ = 1439945261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440010727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240001797 + ... + 240001802.

It is an arithmetic number, because the mean of its divisors is an integer number (480003600).

Almost surely, 2^1440010797 is an apocalyptic number.

It is an amenable number.

1440010797 is a deficient number, since it is larger than the sum of its proper divisors (480003603).

1440010797 is an equidigital number, since it uses as much as digits as its factorization.

1440010797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480003602.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 1440010797 is about 37947.4741847201. The cubic root of 1440010797 is about 1129.2460569741.

The spelling of 1440010797 in words is "one billion, four hundred forty million, ten thousand, seven hundred ninety-seven".